Reporting Category: Expressions and Operations

PROJECT GRADUATION Lesson 3 Standards of Learning: A.11 Reporting Category: Expressions and Operations BIG IDEAS: Adding, Subtracting and Multiplying PolynomialsCheck and Review of Previous Work/Anticipatory Set with Graphing Calculators  Warm-Up A.11 (Adding polynomials)  Warm-Up A.11 (Subtracting polynomials)  Warm-Up A.11 (Multiplying polynomials) Modeling  Algeblocks™-- Refer to the Algeblocks™ Teacher Resource Book Labs 8-5, 8-6, 8-7  Mnemonic Device – FOIL (First, Outer, Inner, Last)Guided Practice/Games and Activities  Quotable Puzzle  People Searches  Polynomial PuzzlesIndependent Practice Independent Practice #3 (SOL A.11)Follow-Up to Guided Practice  Follow-Up guided practice based upon individual student needs  Practice Standards of Learning Tests on Computer o www.jlab.org o ARDT (strand test form A or B) o ePATAssessment Standards of Learning Mini-Challenge #3Virginia Department of Education 1 Lesson 3 SOL Warm-Up Graphing Calculator ActiveA.11a Finding the sum and difference of polynomials1. (4x - 2y) + (-2x + 6y) = _____A 2x + 4y B -2x + 10y C -2x - 10y D 6x + 8y2. (3m - 6n) + (2m + n) = _____A 5m - 5n B -4m + n C m - 7n D 2m - 5n3. (7x2 + 8x - 4) - (6x2 + 8x - 6) = _____A x2 - 10 B x2 + 2 C 13x2 + 16x - 10 D 13x2 + 24. (15m + 11 - 6m2) - (18 - 6m2 + m) = _____A 7 + 21m - 7m2 B 12m2 + 16m - 7 C 14m - 7 D 14m + 29Virginia Department of Education 2 Lesson 3 SOL Warm-Up Graphing Calculator ActiveA.11b Using polynomial operations to solve problems1. A local fast food chain had revenue represented by the polynomial 6x2 + 5x - 8 for one fiscal year and expenses for that same fiscal year represented by the polynomial 4x2 - 3x + 7. What was the company’s profit for the fiscal year?A 10x2 + 2x - 1 B 2x2 + 8x - 15 C 2x2 + 2x - 1 D 2x2 - 8x + 152. Sherry owned a card shop and an art store. The card shop profits for 1998 are represented by the polynomial 3x2 + 5x + 8. The art shop however had losses for 1998 represented by the polynomial 2x2 - 8. Which polynomial represents the total amount Sherry made in 1998?A 5x2 + 5x B x2 + 5x C x2 + 5x + 16 D x2 - 5x - 16Virginia Department of Education 3 Lesson 3 SOL Warm-Up Graphing Calculator ActiveA.11h Using laws of exponents to find the quotient of polynomials1. What is the quotient (15x4 - 9x2)  3x ?A 12x3 - 6x B 5x3 - 6x C 5x3 - 3x2 D 5x3 - 3x2. What is the quotient (28x5 + 20x3 - 8x)  2x ?A 26x4 + 18x2 - 6 B 14x4 + 10x2 - 4 C 26x4 + 18x2 - 6x D 14x4 + 10x2 - 4x3. What is the quotient (30x6 + 20x4 + 10x2) 10x2 ?A 20x8 + 10x6 + x4 B 20x4 + 10x2 + 10 C 3x8 + 2x6 + x4 D 3x4 + 2x2 + 14. What is the quotient (45x8 - 27x6 + 18x4)  9x2 ?A 5x6 - 3x4 + 2x2 B 5x10 - 3x8 + 2x6 C 36x6 - 18x4 + 9x2 D 36x10 - 18x8 + 9x6Virginia Department of Education 4 Lesson 3 QUOTABLE PUZZLE—Lesson 3 Expressions and Operations A.11Directions: Solve the following problems. Match that answer to the correct letter of the alphabet. Enter that letter of the alphabet on the blank corresponding to the problem number.______7 12 12 7 14 12 9 1 2 15 8 7 6 15 ______16 11 13 5 15 5 8 10 9 4 14 16 3A B C D E F G H I 5x – 2y 4x + 11 -4 -5x2 – 3x + 2 0 3x2 +11 4 3x2 - 16 -3x – 8 J K L M N O P 9x – 10y 2x2 + 12x +10 x2 + 2 5m – 5n 3x3 + 10x2 – 42x + 8 2x + 4y 2x – 4yQ R S T U V W X Y -12 2x2 + 5x – 8 2x2 12 5x2 + 10x + 6 13x2 + 16x -10 x2 – 2 1 x3 + 5x2 + 2 Simplify:1. (2x2 + 4x + 1) + (3x2 + 6x + 5) 9. x2 + 6 – 6 + x2 2. (x + 6) + (3x + 5) 10. (3m – 6n) + (2m + n) 3. (x3 + 2x2 – 4) + (3x2 + 6) 11. (5x – 6) – (8x + 2) 4. (4x – 2y) + (-2x + 6y) 12. (3x2 + x – 4) + (-8x2 – 4x + 6) 5. (x2 + 6x – 4) + (-x2 – 6x + 4) 13. (x2 + 6x + 5) + (x2 + 6x + 5) 6. 6x – 4 – 6x 14. 3x(x2 + 2x – 6) + 4(x2 – 6x + 2) 7. 3x + 6y – 8y + 2x 15. (3x + 6) – (3x – 6) 8. (6x2 + 3x – 5) – (4x2 – 2x + 3) 16. (7x2 + 8x – 4) – (6x2 + 8x – 6)Virginia Department of Education 5 Lesson 3 QUOTABLE PUZZLE—Lesson 3 Expressions and Operations A.11Directions: Solve the following problems. Match that answer to the correct letter of the alphabet. Enter that letter of the alphabet on the blank corresponding to the problem number.______3 5 9 2 7 11 6 7 8 9 5 10 10 8 9 1 4 2 7A B C D E F G H I 3x2 + 2x – 1 x2 + 3 2x2 – 12 x2 – 78 x2 + 9x – 36 x2 + 7x – 78 3x2 – 1 x2 – 36 x2 – 12x + 36 J K L M N O P Q R x2 + 36 20x2 – 36 x2 + 4x + 3 x2 + 36 x2 – 16 x2 + 10x + 25 2x2 – 25 2x2 + 25 2x2 – 5x – 25 S T U V W X Y Z 2x2 + 5x – 12 202 – 63x + 36 x2 – 9x – 36 x2 + 25 x2 + 16 2x2 – 5x + 12 3x2 + 1 0 1. ( x + 3 ) ( x + 1 ) 7. ( 4x – 3 ) ( 5x – 12 )2. ( 2x – 3 ) ( x + 4 ) 8. ( x – 3 ) ( x + 12 )3. ( x + 13 ) ( x – 6 ) 9. ( 2x + 5 ) ( x – 5 )4. ( 3x – 1 ) ( x + 1 ) 10. ( x – 4 ) ( x + 4 )5. ( x – 6 )2 11. ( x + 5 ) 26. ( x – 12 ) ( x + 3 )Virginia Department of Education 6 Lesson 3 People Search-- Lesson 3 Expressions and Operations A.11Directions: Find a different person to answer each of the following questions. Each person should sign the question they answer.Find Someone Who Can…Add: Subtract: (5x2+ 4x +2) + (6x2-x-1) (3x2-2x +1) – (4x2-x-7)______Multiply: Multiply: (4x-3)(x+4) (x+3)(x-3)______Multiply: Find the sum of (3m –6n) and (3x-2)2 (2m + n).______Find total sales if Find the difference between sales for 1998 are 3x2 +5x +8 (7x2+8x –4) and (6x2+8x –6). and sales for 1999 are 2x2-4.______Virginia Department of Education 7 Lesson 3 Multiplying Polynomials--Lesson 3Cut the squares apart. Match equivalent expressions. You should get a new 4 X 4 square.(x + 2)(x – 2) (4x – 1)2 (6x + 1)(x – 2) (x + 1)(x – 1) 2 ) ) ( ) 6 x 6 4 34 x x 2 x – –2 2– – + x + x x-1 x ( ( 2 2) ) 4 4 5 1 - ) ( 2 4 x ( x 31 2 x - + 6 + = x1 + + x x 2 2 ( ( 3 4 6 ) x2 + 6x + 9 x2 – 10x+24 25x2 - 16 6x2 + 41x + 30 (x + 3)2 (x – 4)(x -6) (5x – 4)(5x+4) (x + 6)(6x + 5) 2 ) ) ) ) 9 9 6 82 x x x x - – 2 + + 2 2 2 x+ + + x – x x 3 ( ( ((6 ) 3 ) ) 7 1 x 2 x 3 2 x 2 x - – - – – -1 1 1 + x x x 8 6 ( 8 ( (44x2 - 25 x2 - 9 16x2 - 1 x2 – 7x + 12 (2x–5)(2x +5) (x+3)(x – 3) (4x – 1)(4x+1) (x – 4)(x – 3) ) ) ) ) 5 8 5 1 x x 4 6 – – – + 2 2 x x– x x x – 2 x 2 ( ( (( 6 + 2 – ) ) ) ) x x 2 3 52 x x- - + + + +- -112 x x x 5 x 6 5 ( ( ( 4 ( x2 + 4x + 3 7x2 – 19x +10 9x2 - 4 x2 – 8x + 16(x + 3)(x + 1) (7x – 5)(x-2) (3x – 2)(3x+2)) (x – 4)2 2 ) ) ) x 4 ) 1 4 1 23 x 5+ – x – 2 + + x x 2 + x x2 x x 2 + ( 2 ( (2 ) ) ) + -0 (2 35 11 x1 x– 2– + 6+ x -2 x x 2 1 ( ( 3 5 (25x2 + 20x+4 x2 + 9 x2 + 3x - 10 x2 - 15Virginia Department of Education 8 Lesson 3 Multiplying Polynomials--Lesson 3Cut the squares apart. Match equivalent expressions. You should get a new 4 x 4 square. x2 + 3x +2 (x – 3)(x –4) 2x2 + 8x - 10 x2 – y2 2 6 3( ( - 1 ( x y 2 y + x y x 5 + +– 2 x + 2– y + 2 1 5 + y2 ) ) y+ + ) ( ( 4 y( x y 2 2 - x x y x1 + – + - + 2 y 21 6 ) ) )(x – 3)(x + 4) (2x – 1)(x – 3) (2x + 1)(x – 1) (x – 5)(x + 1) (1 –y)(2 – y) x2 + 5x + 6 6x2 + 5x - 4 (x + 7)(x – 1) 2 2 7 4( y 1 ( - - y 2 2 2 + + x + x x + + y x 5 2 2 y3 6 3 + x –– 1 x) )– 2 2 ( + 5 4 ( y 2 1 x 2 x x + y x6+ – 2 3 - + x3 x 2 6 ) ) y2 – 7y + 10 (2x – 1)(x – 1) (3x – 4)(2x – 1) 2(x + 1)(x – 5) 2x2 – x - 1 2x2 – 4x + 6 - x2 – 2x - 3 (x – 3)(x – 3) 2 4 2 6 ( y ( x- ( ( x + +4 5+– x+ x + x x3 y 75 3 – 4 – 1 x ) y) ( – 2 2 2 ) (2+ ( 2 x x) 3 x – 2 ( x - + x – 2 x – 6 x 5 y+ 4 3 ) ) )(x + 3)(x + 2) 2(3 + x)(1 – x) 2(x + 5)(x – 1) y2 – 3y + 22x2 + 4x - 6 (x – y)(x – y) (3 – x)(1 + x) (2x – 1)(x + 3) 1 5 9 0 ( (( 2 ( x1 x - - x y+- 2–+ x – – x x4 x3 75 1 4 8 1 )– ) ) ) (– ( ( ( x – 2 x x y 2 x 2 x+ + – + x 22 3 3 1 2 ) ) ) )2(1 + x)(3 – x) x2 + 9 x2 + y2 x2 – 7x + 12Virginia Department of Education 9 Lesson 3 Independent Practice—Lesson 3 Expressions and Operations A.11Read and solve.1. Which is equivalent to (3a + b)(2a – 4b)?A. 5a – 3b B. 6a2 – 4b2 C. 5a2 – 10ab + 5ab2 D. 6a2 – 10ab – 4b22. Which is equivalent to (5x2 + 4x + 1) + (-7x + 2) ?A. -2x2 + 6x + 1 B. 5x2 – 3x – 1 C. 5x2 – 3x + 3 D. 5x2 + 11x + 33. Which is equivalent to (7g + 8h – 9) + (-g – 3h – 6k)?A. 6g + 5h – 15k B. 6g + 5h – 6k – 9 C. -7 – 2h + 54k D. 8g + 11h + 6k – 9 4. Which is equivalent to (3m + 6n – 5) – (2m – 3n + 6) ?A. m – 3n + 1 B. m – 3n – 1 C. m + 9n – 11 D. -5m – 9n – 115. Which is equivalent to (7x – 2)(3x + 4) ?A. 10x2 + 6x + 2 B. 21x2 – 8 C. 21x2 + 22x – 8 D. 21x2 + 28x – 2 Virginia Department of Education 10 Lesson 3 Independent Practice—Lesson 36. Which is equivalent to (y – 12)(y + 12) ?A. y2 – 144 B. y2 + 144 C. y2 – 24y – 144 D. y2 + 24y – 144 7. Which is equivalent to (5x2 + 17x – 14 ) + (-3x2 – 8x + 6) ?A. 2x2 + 9x – 8 B. 2x4 + 9x2 – 8 C. 8x2 + 25x + 20 D. -15x2 – 136x – 84 8. Which is equivalent to (10x + 12y)2 ?A. 10x2 + 12y2 B. 100x2 + 120xy + 144y2 C. 100x2 + 144y2 D. 100x2 + 240xy + 144y29. Which is equivalent to (18x4 – 6x3 + 7x – 6 ) – (4x4 + 6x2 – 6x + 15) ?A. -21x9 B. 15x9 – 21 C. 12x4 + x + 9 D. 14x4 – 6x 3 – 6x2 + 13x – 21 10. Which is equivalent to (x – 6)(3x – 4) ?A. 3x2 – 24 B. 3x2 + 24 C. 3x2 – 22x + 24 D. 3x2 + 14x – 24 Virginia Department of Education 11 Lesson 3 SOL Mini-Challenge—Lesson 3 Expressions and Operations A.11Read and solve.1. The length of a rectangular classroom floor is 19 feet less than twice the width. w2w – 19 Which expression represents the area of the classroom floor?A. 3w – 19 B. 6w – 38 C. 2w2 – 19w D. 2w2 – 19 2. Which expression is equivalent to (2a + 4b)(3a – b) ?F. 5a – 3b G. 6a2 – 4b2 H. 6a2 – 10ab + 5b2 J. 6a2 + 10ab – 4b23. Which expression is equivalent to (3m + 6n – 5) + (2m – 3n + 6) ?A. m + 3n + 1 B. 5m + 3n + 1 C. 5m + 9n + 11 D. 6m – 18n – 304. Which expression is equivalent to (x – 4)(x + 3) ?F. -2x – 1 G. x2 – 12 H. x2 – x – 12 J. x2 + 7x – 12 Virginia Department of Education 12 Lesson 3 SOL Mini-Challenge—Lesson 3 continued5. Which expression is equivalent to (7x + 8y – 8) – (-x – 3y – 6z) ?A. 8x2 + 5y2 – 2z B. -7x2 – 24y2 – 6z – 8 C. 6x + 5y + 6z – 8 D. 8x + 11y + 6z – 8 6. Which is equivalent to (6x – 4y)2 ?F. 36x2 – 16y2 G. 12x2 – 24xy – 8y2 H. 36x2 – 24xy + 16y2 J. 36x2 – 48xy + 16y27. Which is equivalent to (x – 4)(x + 4) ?A. 2x – 8 B. x2 – 16 C. x2 – 8x –16 D. x2 – 8x +168. Which is equivalent to (15x2 + 3x – 6) – (15x2 + 3x + 6) ?F. -12 G. 12 H. 0 J. 30x2 + 6x9. Which is equivalent to (3x2 – 4)(2x3 + 6x) ?A. 6x5 – 24x B. 6x5 + 10x3 – 24x C. 6x6 + 3x3 – 24x D. 5x5 + 7x3 + 210. Which is equivalent to (15x2 + 8x – 9) + (3x2 – 2x + 8) ?F. 12x2 – 10x – 17 G. 18x2 + 6x – 1 H. 18x2 + 10x + 17 J. 18x4 + 6x2 – 1 Virginia Department of Education 13 Lesson 3

Reporting Category: Expressions and Operations

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